Figure 13.44 shows the tetrahedron determined by threevectors a ,b , c . The area vector
Chapter 13, Problem 49(choose chapter or problem)
Figure 13.44 shows the tetrahedron determined by threevectors a ,b , c . The area vector of a face is a vector perpendicularto the face, pointing outward, whose magnitudeis the area of the face. Show that the sum of the fouroutward pointing area vectors of the faces equals the zerovector.
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